Hot air heating system



April 18, 1933 c, s, STOUT mmg m Filed Dec, 1-4; 1931 2 Sheets-Sheet lINVENTOR Claude Stout 6% h i, I 9%,

HOT AIR HEATING SYSTEM Filed Dec. 14;, 1931 2 Sheets-Sheet 2 INVENTORClauda v5? Stout ATTRNEY$ accompanying drawings; in which:

-isin operation;

Patented Apr. 18,- 1933 :9 1. MABSHALL, MI HI N new 'AIR' mmmq sim wappn'ctioii filed December 191931. Serial K031803559? The main objectsof this invfentio'njare:

First, to provide an improvedfhot, air heating systemhaving means 2associated therewith for=utilizingi a gravity or aaforced air supplymerely by controlling an electric fan orbl'ower. i 1 Second, to provideaforced ity feed device forhot air heatingsystems' in which there are nomoving parts other thanthe fan-orbloweii "-1 Third, toprovide'anapparatus for usein heating systems 1 which is. iveryf simpleand l-compact 'in structure: and" easily installed either as a partof:an original system or "as an attachment to hati nfgcsystems not a typenow very. extensively .useda wj Obj ects. relatingto details and.economies of my invention willuappear from the description to follow;The. inventionis' -z defined and pointed.out in -the:cl ai1ns=mr Astructure whichisfal preferred embodiment: of 'my invention isillustrated in th V Fig. 1 is a fra mentary perspective view 0mhot airheating system embodyiiigflmy invention, notattempt'being: made toshowthe parts in relative: proportions; I

Fig. 21'is an enlarged fragmentaryJview mainly invertical section Fig.3" is an" enlarged fragmentary horizontalsection illustratingthe fQIIII:and arrangement of the bafiies or louversj which prevent back flow oftheair when the; blower Referring to the drawing s l indicatesa hot air-furnace1pr vided'Twiith a hot air chamber 2 from Whichhot air-isdischarged by the fluesY or conduits Cold. air is supplied to thehotairjchahiber, at the bottom or conduit 4, I

through the cold, air It At the outer end; o Y tisa cold air supplchairiberh Which in the embodiment illustrated isjformed of metal liliedwith ascend-deadening material.

Cold air, in the embodiment. illustrated; is

delivered'tothe top-ofthisehar'nber by the cold air co'nduits 6'. atoneend-the cold' air chamber is I provided with an opening closed by theremovable} closure or panel 7 which pefinitsaccess' to the "blower'which, in the backlflow ofair at the sides of themblower.

pedestal .11 secured to the floor of. the cold sourceiof supply and iscontrolledsthrou h air chamber I; arrange a rectangular .fraine 13Ywhichcarries theair directing cylinder or conduit 1 14 disposed insufront ofthe :fan

rand approximately at the center of the 'f-rame1'3. This'cylinder 14 isdisposed withi inandsupported by a vertical panel 15 hav -f ing-acentralopening16C-forthewcylinder.

Atleach side of this paneltlfi 'I arrangea plurality of rows ofverticalfispaiced': V-"or channel-shaped louversor baffles; '17 the1011-- Vcrs of adjacentrows beingarranged instag- -gered relation asclearly illustrated :inlFiigp3. Theselouv'ers face the hot air."dhamber. When. the blower is not-:in: operation air flows by gravitybetween theselouversandthrough [tw ser e; or s ence Tb. w nterizepennies enitbdirhneiimstistea; lis drivenby the '61s; tricmotor a 1 .Theblower is supported by: thestand or the -fan discharge or directing;cylinder.

:Howe'ver, when :the blower isin ioperation the pressure withinthe-bootand the 'h'otzair chamber tends to cause agbackcurrentor Thiscurrent of airstriking the. louvers sets up. eddy currents therein whicheffectively prevents the: back lflo'w of air---through the louver unitsof the intake.

The blower; is thus enabled'to ofiemtleh v ificiently -to-isetupaaforced: draft :of air.

through ithe'hot air-chamber. FWhiIe the 'louvers" effectively pi event'the back flowto f' air, they 1 do not-5 obj ee'tionably "obstruct thenormal gravity flow when the blower is. .inoperative. l I thus providean *eiieetive' control apparal tus; without;moving piirtsi other thanthe .;-blo wer. This 'results not only-.- in economy and durability ofstructure. and; installation but there; are noaloose partsto: rattle or.Wear or bQCOIIlGlIlOPGBflitlVBJ: I

a I have not attempted I to nineties-{6t de scribe various modificationsand adaptations which I contemplate as it is believed .thatithisdisclosure will enable those skilled iii-the art 'to embody or adapt myimprovements as may be desired.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent,- isz; I a i i V 1. In a'hot' airheating,system," inc111ding a furnace having a hot air chamber,a coldair n bootconnected to;said h0t'airchamber" for supplying air thereto,a--cold air chamber a connected to said boot for-supplying .;a''irthereto, cold air supply pipes connected; to said cold air chamber, andafo'rcedairsup ply unit disposed at the juncture betweensaidcold airchamber and said boot, comprisinga j frame, a jcylinder disposed in thecenter of V said frame, a verticalvwall having anopens. ing forsaidcylinder, spacedrbaflles arranged fin staggered; "relation fromffront torear, {facingithe' hot-air chamber and carried by saidframe in the spaceat the sides ofsaid @wall'for allowing air to pass therethrough airthroughsaid cylinder as desired;

'toward the hotair chamber. but'resisting the passage of air in theopposite direction, and

a fan-ini said cold airichamber fore-forcing l 2'.'.;In a; hot airheating system, 1 ncluding a furnace having ahot air chambeija cold :airbootconnected to said hot air chamber for, supplying air thereto,: acold .air cham- *{ber connected to said boot for supplying l airthereto; a Iforcedi air supply unit comprising. a frame, a cylinderdisposed in the center of: said frame, a vertical wall havlng'an'opening for said cylinder,-spaced V- ---shape:d bafiles arrangedinstaggered relation fro'ni front to rear, facingthe hotiair chain:

-berkand carried :by said frame in the space "at'the sides'of said wallfor allowing air to pass therethroughtoward the hot air chamher butresisting the passage of air in the opposite direction, and a' fanforforcing'air u h S ylind r. a, 1 a

' 3. In"a; hot air heating system, including a 'furnace having a hot airchamber, a cold air .bootconnected to saidhot air chamber 'for supplyingair thereto, a cold air cham- I berconnected to said'boot for supplyingair thereto, cold air supply pipes connectedz'to saidicold airchamber,and a forced air sup-' 1 ply unit. disposed at the juncture-between saidcold'airchamberand said'boot, comprising a cylinder disposedainthecenter ofsaid r boot', -*spa ced .vertical ,V-shaped baifles arranged instaggered relation fromi front'to rear, facing the hot air chamber andcarried bysaid frame in "the space at the sides. of

' no saidjcylinder forallowing airto pass there throughtowardithehotfairzchamber but resisting} the passage-of air. in theopposite di'- 'rection, and-fa fan for forcing air through I saidcylinder toward said hot air chamber. 11

1 said heatingicha I 1" *the conib-inationwith a heating chamber,o

4.- In a device of the character described r ablower for forcing air-1into said chamber,

1,904,963 1 Ell -ii. ii -:51.

V COmpIlSHl said chamber.

'in'gsaid chambe'r acting .toiobstruct, theipassage Offlarll'ifllb andstationary means inparallel with said blower for normally allowing thepassage of air into said chamber'b-y gravity but-resisting the escape ofair therefrom, said means baflies having channels facing.

' 1 Y: '5. Incombmation, alumna, anair conduit associated with saidfurnace, a cylindrical lrd spiq le W thi a d condui a b o "for forcingair through said cylindrical wall, and stationary' 'louve'rs disposed inthe conduit in the space between said wall and sides i the passage ofairv in'the other direction. V

stationary louvers disposed in 1 the conduit in the space betweensaidfwall'andgsides of the conduit for normally allowing the passage ofair in one directiom-but' resisting" the 'passa'geiotairin-theotherdirection; a I 7. In a device of the character described,

the combination with: a} heating chamber, of

.means for forcing;airatintoasaid chamber, stationary bafflesin-parallel with said -means for normally allowing the p assageof air-intosaid chamber by gravity but resisting the escapelof'air-therefrom; a 7

ed with said furnace, -means-for;;orcing air through said-passage,and-stationary louversi disposedinthe conduit in' the space betweencfthei conduit for normally allowingithe passage ofair,inonedirection,butresistingf v so f V 16.'Incombinationfa furnace;anairf con 'duit"associated-with; said-5 furnace, a ;cy]inidrical walldisposed withinsaidiconduitg'and 1-9 l ,8. In combination, a furnace, an air'con- -duitlncluding "a forced a r passage. associat 100 '7 P said .passageandsides of the conduit for norimauy e p s age of airiin onedirection, butresisting the:passage o f air inthe 2 other-direction;

:9; In a device :ot the character described, the: combination with aheating chamber, a conduit for directing air to -said chamber, and

lowingthe passage of: air into said chamber,

'butresisting theescapeiof airtherefrom, said means comprising baflieshaving channels fac- 10. lnfcomb nationfa furnace, an'air conliowing-thelfp sag bf stationary means in said conduit normally al- 1 mi at on-wit iheaiiing o e s isnqs d ati ach de i S id blow v.01 re ationnd :faei e. 7' bfi-permitting rpassagegof 1 air-.Ibyigravity tosaidheating Cha ber but? ;3

arranged, in? stagger,

b or a; b dfai inletfehai i f; a bwerd'isjr said heating chamber whensaid blower is in operation. p

12. The combination with a heating chamber, of a blower delivering tosaid'chamber,

a gravity flow air connection for said chamber, and a plurality of rowsof V-shaped louvers disposed in said gravity 'flow air CO1]: nection inspaced staggered relation, facing said heating chamber and permittingthe flow of air by gravity to said heating chamber by acting to obstructthe passage of air. from said heating chamber when pressure is 1 createdtherein by the operation of said blower.

13. The combination with a heating cham and a plurality of channeledfixed louvers: disposed in said gravity flow air passage in multipleseries in staggered relation and facing said heating chamber. 7

In witness whereof I have hereunto set my hand. 7 a

CLAUDE S. STOUT.

